t/comment5.sh

   1 #! /bin/sh
   2 # Copyright (C) 2002-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Test for PR/280.
  18 # (Automake should complain about trailing backslashes in comments.)
  19
  20 . test-init.sh
  21
  22 cat >> configure.ac <<'EOF'
  23 AC_OUTPUT
  24 EOF
  25
  26 cat > Makefile.am << 'EOF'
  27 all-local:
  28         @echo ${var}
  29
  30 # a comment with backslash \
  31
  32
  33 var = foo
  34 EOF
  35
  36 $ACLOCAL
  37 AUTOMAKE_fails
  38 grep '^Makefile.am:5: error: blank line following trailing backslash' stderr
  39
  40
  41 ## Here is a second test because head comments are
  42 ## handled differently in Automake 1.5.
  43
  44 cat > Makefile.am << 'EOF'
  45 # a comment with backslash \
  46
  47
  48 all-local:
  49         @echo ${var}
  50
  51 var = foo
  52 EOF
  53
  54 AUTOMAKE_fails
  55 grep '^Makefile.am:2: error: blank line following trailing backslash' stderr
  56
  57
  58 ## Make sure we print an 'included' stack on errors.
  59
  60 echo 'include Makefile.inc'> Makefile.am
  61 cat > Makefile.inc << 'EOF'
  62 # a comment with backslash \
  63
  64 EOF
  65
  66 AUTOMAKE_fails
  67 grep '^Makefile.inc:2: error: blank line following trailing backslash' stderr
  68 grep '^Makefile.am:1: .*included from here' stderr
  69 grep -v '^Makefile.am:1: .*error:' stderr
  70
  71
  72 ## Make sure backslashes are still allowed within a comment.
  73 ## This usually happens when commenting out a Makefile rule.
  74
  75 cat > Makefile.am << 'EOF'
  76 all-local:
  77         @echo ${var}
  78
  79 # a comment with backslash \
  80 # but terminated by a line without backslash
  81
  82 var = foo
  83 EOF
  84
  85 $AUTOMAKE